Examine source code of Eben Stream

{
  "name": "Eben Stream",
  "version": "0.4",
  "manifest_version": 2,
  "description": "__MSG_desc__",
  "homepage_url": "https://www.twitch.tv/eben_stream",
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "default_locale": "en",
  "background": {
    "page": "src/bg/background.html",
    "persistent": true
  },
  "browser_action": {
    "default_icon": "icons/icon19.png",
    "default_title": "Eben Stream",
    "default_popup": "src/browser_action/browser_action.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "eben_stream@darqi.fr",
      "strict_min_version": "48.0"
    }
  },
  "options_ui": {
    "page": "src/options/options.html",
    "open_in_tab": false
  },
  "permissions": [
    "alarms",
    "bookmarks",
    "notifications",
    "tabs",
    "storage"
  ]
}